Tandberg 9100X Stereo
Features:
3 motors
Electronic controls with 14 integrated circuits (Ics)
Mixing in stereo
Balanced microphone inputs
3 speeds, 4 heads
Tandberg Crossfield recording technique
Facilities for echo, sound-on-sound, editing and A – and B-test of recording
Professional mechanics
Remote control facility
Front outlet for stereo headphones
Can be used with separate hi-fi stereo amplifier
Electronics
The control system in the 9100X is an electronic brain with 14 high level logic, integrated circuits (IC’s). electronics has replaced mechanics, and each control is carried out firmly and precisely by a light touch on the keyboard 9100X “thinks for itself”. The electronics and the tape-tensioning mechanism always ensure that the tape is transported correctly. Connected to a remote control system (an accessory) all logic functions can be controlled from a distance of 5 meters. 9100X has all the qualities that Tandberg tape recorder are renowned for; echo, recording with sound-on-sound, A- and B-test of programmes. The B-test is a particularly important feature because it facilities close control of recording quality. There are 4 input controls, 2 for microphone inputs and 2 for line input (radio with record player or another tape recorder), and sound sources in stereo or mono. The microphone inputs in 9100X are balanced. This means that unwanted electrical noise from e. g. vacuum cleaners or foodmixers does not affect the recording.
Tandberg Crossfield Recording Technique
This is a special recording technique found only in Tandberg tape recorders. With this technique the tape is magnetized right through and is therefore capable of receiving very strong signals and reproducing them as crystal clear sound without distortion. The Tandberg Crossfield recording technique provides a safety margin against overload, particularly in the highest tone register which is the most critical region when recording.
Peak Level Meters
The level meters are in the professional class. They always shows the strongest part of the sound – exactly that part which becomes distorted if the magnetic tape is overloaded. With the Tandberg Crossfield recording technique and the peak level meters you can fully exploit a tape’s qualities.
Photo-electric Stop
The forward drive stops automatically at the end of the tape or if the tape is transparent
Monitoring During Fast Winding/Editing
This functions (Edit/Cue) facilities listening to the tape during fast winding or rewinding. Consequently it is easy to find your way on the tape and to edit the recordings
Professional Mechanics
Correct reproduction demands high accuracy in the design and construction of the tape path. Therefore the complete tape guidance system in the 9100X is mounted on a stable base plate which ensures that the tape is correctly guided passed the magnetic heads. There are 3 motors – 2 for winding in either direction and one for forward drive. The winding motors work also as mechanical breakes. Together with the closed loop and the magnetic controlled friction breakes they ensure gentle treatment of the tape.
Specification
9100X is adjusted for Tandberg Tape or equivalent tape of the LH-type.
The largest reel diameter is 7” (18 cm).
Tape Speed: 7-1/2; 3-3/4; 1-7/8 ips
Speed Tolerance: 0,7%
Speed Variation
7-1/2 ips : 0,06% (WRMS) 0,09% (Peak value DIN 45511)
3-3/4 ips : 0,11% (WRMS) 0,15% (Peak value DIN 45511)
1-7/8 ips : 0,21% (WRMS) 0,3% (Peak value DIN 45511)
Frequency Range (DIN 45511)
7-1/2 ips : 30 to 26,000 Hz
3-3/4 ips : 30 to 20,000 Hz
1-7/8 ips : 30 to 11,000 Hz
Amplifier Mode : 30 to 22,000 Hz ±2 dB
Signal-to-Noise-Ratio: at ( at highest speed, measured with Tandberg Tape or equivalent LH-tape)
IEC A-curve, 3% Distortion: 65 dB (4-track); 67 dB (2-track)
IEC Linear RMS , 3% Distortion : 58 dB (4-track); 58 dB (2-track)
DIN 45511(Weighted): 60 dB (4-track); 62 dB (2-track)
DIN 45511 (Unweighted) : 56 dB (4-track); 56 dB (2-track)
Crosstalk Attenuation (at 1000 Hz): Better than 60 dB (MONO); Better than 50 dB (STEREO)
Distortion maximum
From Recording Amplifier at 0 dB : 0,2 %
From Replay Amplifier : 0,2% at 1,5 V
From Tape at 0 dB Recording Level : 3% max.
Inputs (Each channel has the following inputs)
Radio Input : Impedance 50 k Ω / Sensitivity 8 mV to 1,2 V
Line Input : Impedance 200 Ω / Sensitivity 30 mV to 5 V
MIC : Balanced inputs for dynamic microphone with impedance of 200 to 700 Ω / Sensitivity 230 UV to 35 UV at 400 Hz and 200 ohm microphone impedance
Outputs (Each channel has the following outputs)
Radio Output : Impedance 5 k Ω / Voltage 0,75 V unloaded
Line Output : Minimum Load Impedance 150 Ω / Voltage 1,5 V unloaded
Headphones Output : Minimum Load Impedance 8 Ω / Power 5 mW
Equipped with reel locks (for use in vertical position)
Delivered as 2-track or 4-track version
Wood – Teak or palisander (Oak or request)
Main Voltage: 240/230/115 V 50 Hz (60 Hz on request)
Power Consumption: 96 watts
Dimensions (W x H x D): 400 x 180 x 410 mm (15-3/4” x 7-1/4” x 16-1/8”)
Weight: 15,5 kg (34,5 lbs)
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